The KEF Ci100QS is a compact, high-quality in-wall or in-ceiling speaker designed to deliver clear and natural sound in smaller spaces. With its slim profile and square bezel, it integrates seamlessly into modern interiors while offering consistent audio performance. Featuring a 4-inch bass/midrange driver and a 0.75-inch aluminium dome tweeter with KEF’s Uni-Q technology, the Ci100QS disperses sound evenly throughout the room. Despite its small size, it delivers impressive clarity and detail, making it perfect for kitchens, bathrooms, or multi-room audio systems. At Theatre Zone, we recommend the KEF Ci100QS for homeowners seeking a discreet, compact speaker that blends effortlessly into walls or ceilings while still providing premium sound quality. Key Features 4-inch bass/midrange driver with KEF Uni-Q technology 0.75-inch aluminium dome tweeter for crisp highs Even sound dispersion across the listening area Slim square bezel for discreet in-wall or in-ceiling integration Compact size, ideal for smaller rooms and tight spaces Why Choose KEF Ci100QS Compact design — perfect for kitchens, bathrooms, and small spaces Natural sound — Uni-Q driver delivers detailed and accurate audio Wide coverage — even dispersion ensures consistent listening quality Discreet integration — slim square bezel blends into walls and ceilings Specifications Nominal impedance: 4 Ohms Sensitivity: 88 dB (2.83V/1m) Frequency response: 80 – 27 kHz (±6 dB) 2pi/open-backed Crossover frequencies: 3 kHz Drive units: LF 100 mm (4 in.) / HF 19 mm (0.75 in.) Recommended amplifier power: 10 – 50 W Product external dimensions: 127 × 127 × 76 mm (5.0 × 5.0 × 2.99 in.) Cut-out dimensions: 112 × 112 mm (4.41 × 4.41 in.) Mounting thickness: Maximum 24 mm (0.95 in.) / Minimum 6 mm (0.24 in.) Optional rough in frame: RIF100S Optional rear enclosure: RNC100S Mounting depth from surface: Without back can 72 mm (2.83 in.) Net weight: 0.67 kg (1.48 lbs.) Unit measurement: Piece Documents User Manual Information Sheet Architectural Speaker Brochure Product Group Spec. Sheet Minimum Cabinet Volume Chart Selection And Setup Guide Architectural Speaker Accessory Guide Compact Size, Big Performance The KEF Ci100QS offers impressive sound from a discreet, space-saving design. Shop today at Theatre Zone for compact in-wall and in-ceiling audio that fits anywhere.
